[Look! He at least picks up after himself when he causes a problem, there's no worry of those scalpels staying on the ground!]

I'm hurt, Leo, really. [Oh look, another nickname and he's pretending to look like he's actually hurt by this. Hand over the heart and a frown and everything!!! Except it lasts all of two seconds.]

I was content to just watch silently until you tossed a scalpel at me, you know. And I do things around here, I teach like almost everyone else here.